Boat



FIG. 1 is a right side elevation view of a boat showing my design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines represent portions of the article that form no part of the claim. 

The ornamental design for a boat, as shown and described. 